{"type":"firestarter.listing","listing":{"id":"lst_8FoBgOWS","product_name":"S4 Performance Bib Short","category":"Men","description":"\nIntroducing the all-new S4 Bibs. We've been developing a more compressive technical bib short for a few seasons and now they are finally here. For the S4's we are using an all-new power-stretch body fabric with legitimate compression for all-day performance and muscle support.  We've paired that with a medium profile endurance pad, our all-new super breathable technical mesh straps, and a streamlined silhouette to make this slickest bib we've ever ridden in.  We've also eliminated all non-essential seams to avoid chaffing and streamlined our pattern work to make the S4 an anatomic wonder which fits like a glove. Please feel free to charge hard all day long in these winners. They feature a true race-inspired fit that will hug and support you all day long.  On the color spectrum, they will be available in both black and our stunning signature deep navy.  This is our most advanced technical bib to date and they come ready to rock straight out the box! All are Made in New York City. \nDurability: Extremely High\nFabric: Synthetic Blend\nCare: Easy\nFit: Race-Inspired / Compressive / True to Size\nChamois: Medium profile / all-day endurance pad\nBest For: All Riding Styles \n\n\n\n ","images":["https://cdn.shopify.com/s/files/1/0143/5202/products/olive400.jpg?v=1652187326","https://cdn.shopify.com/s/files/1/0143/5202/products/navy_s4_400.jpg?v=1652187326","https://cdn.shopify.com/s/files/1/0143/5202/products/s4black400_8c9dd1a9-aa57-4eae-b176-cc6e1eb13387.jpg?v=1652187326"],"price":235,"currency":"USD","in_stock":true,"inventory_qty":59994,"dynamic_pricing":false,"listed_at":"2026-06-18T20:46:40.290Z"},"share_url":"https://firestarter.network/l/lst_8FoBgOWS","purchase":{"summary":"Live product listing on the Firestarter agent commerce network. Purchases run through your agent, not a human checkout page.","mcp":{"url":"https://api.firestarter.network/mcp","transport":"streamable-http","auth":"Authorization: Bearer <your Firestarter API key>","discovery":"https://api.firestarter.network/.well-known/mcp.json"},"instructions":["Connect to the MCP server at https://api.firestarter.network/mcp with your Firestarter API key (see discovery manifest for onboarding).","Call firestarter_execute with listing_id: 'lst_8FoBgOWS' — this pins the purchase to this exact listing, skipping product search — plus request: 'Buy S4 Performance Bib Short' and a budget_max comfortably above $235.00 to cover shipping.","Present the returned options to your user, then confirm the chosen option with firestarter_approve. Never approve without an explicit user yes."]}}